/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.seatunnel.translation.spark.execution;

import java.util.List;
import java.util.ListIterator;

public class IndexQueue<T> {
    private List<T> list;
    private ListIterator<T> listIterator;

    public IndexQueue(List<T> list) {
        this.list = list;
        this.listIterator = list.listIterator();
    }

    public boolean hasNext() {
        return listIterator.hasNext();
    }

    public T next() {
        return listIterator.next();
    }

    public void add(T t) {
        listIterator.add(t);
    }

    public void append(T t) {
        list.add(t);
    }

    public void set(T t) {
        listIterator.set(t);
    }

    public void reset() {
        listIterator = list.listIterator();
    }
}
